Commit 28e3487b authored by David S. Miller's avatar David S. Miller
Browse files

tcp: Fix queue traversal in tcp_use_frto().

We must check tcp_skb_is_last() before doing a tcp_write_queue_next().

Signed-off-by: default avatarDavid S. Miller <>
parent 77d40a09
......@@ -1746,6 +1746,8 @@ int tcp_use_frto(struct sock *sk)
return 0;
skb = tcp_write_queue_head(sk);
if (tcp_skb_is_last(sk, skb))
return 1;
skb = tcp_write_queue_next(sk, skb); /* Skips head */
tcp_for_write_queue_from(skb, sk) {
if (skb == tcp_send_head(sk))
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